State Street SPDR Bloomberg Convertible Securities ETF

CWB
ETF Ticker

+14.45%

+10.75%

NYSE Arca Exchange

Fixed Income

United States

Convertible

ETF Strategy Fund Grade AAA

The State Street SPDR Bloomberg Convertible Securities ETF, CWB_US, is listed on the NYSE Arca Exchange and tracks the Bloomberg U.S. Convertible Liquid Bond index. The fund provides exposure to United States, Convertible Fixed Income and has assets under management of $5,610.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Apr 14, 2009. It has a net expense ratio of 40bps. (All data in USD as of Oct 9, 2026 unless stated.)

The underlying Bloomberg U.S. Convertible Liquid Bond Index offers market-value exposure to USD-denominated convertible bonds and convertible preferreds issued in the U.S. market. Inclusion requires an issue amount of at least USD 350 million and a par amount outstanding of at least USD 250 million, status as non-defaulted and not currently called for full redemption, at least 31 days remaining to maturity, and registration or 144A eligibility. The index excludes issues failing these liquidity/capacity screens and reflects corporate actions that materially alter investability. It is market-value weighted without an explicit issuer cap; weights evolve with prices, amortization, and changes in amount outstanding. Reconstitution and rebalancing occur monthly, effective on the last business day, aligning membership and weights to the latest eligible convertibles universe while minimizing mechanical turnover outside of scheduled month-end changes.

ETF Details

Key Facts

Issuer:
State Street
AUM:
$5,610.0m (as of Aug 31, 2026)
Net Expense Ratio:
40 bps
Inception Date:
Apr 14, 2009
Index:
Bloomberg U.S. Convertible Liquid Bond Index
Dividend Frequency:
Monthly

Trading

Ticker:
CWB
Exchange:
NYSE Arca Exchange
ISIN:
US78464A3591
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Fixed Income
Asset Region:
United States
Theme:
Convertible
Economic Development:
Developed Markets
1 Year Volatility:
17.57%
3 Year Volatility:
13.04%
5 Year Volatility:
13.62%

Performance

TTM Dividend Yield:
1.71% (verify with issuer)
1 Month Performance:
-2.30%
3 Month Performance:
-4.03%
6 Month Performance:
5.40%
1 Year Performance:
10.75%
3 Year Performance:
59.61%
5 Year Performance:
30.28%
Investment Proposition

State Street SPDR Bloomberg Convertible Securities ETF (CWB) offers access to a diversified portfolio of U.S. convertible securities that blend bondlike downside mitigation with equity-linked upside via embedded options. The strategy seeks total return by holding convertibles across issuers, sizes, and structures, creating a hybrid profile that can participate when equities advance while relying on fixed-income characteristics to moderate drawdowns. Convertibles’ equity sensitivity and credit risk evolve over time as prices move, so the fund’s effective exposure can drift between more bondlike and more equitylike regimes. This dynamic may benefit from late-cycle equity resilience or improving risk appetite, while sharp sell-offs, widening credit spreads, or rising rate volatility can challenge results. The fund can play as a satellite equity substitute for investors pursuing asymmetric participation, a core hybrid sleeve in outcome-oriented allocations, or a complement to credit seeking diversified sources of potential total return. Suitable users include growth-aware allocators targeting smoother equity participation and income-minded investors open to equity optionality. A key risk to monitor is the structure-specific complexity of convertibles—call features, equity sensitivity shifts, and turnover can raise implementation costs if not managed carefully.

ETF Analytics

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